... damping Fig. 24. Measured and calculated load power and estimated parasitic and electromagnetic damping for generator A. In order to understand the parasitic damping effect and the optimum condition ... ( 15) It can be seen from ( 15) that electromagnetic damping can be varied by changing the load resistance R c , the coil parameters (N, R c and L), magnet dimension and h...
Ngày tải lên: 19/06/2014, 08:20
... on diamond and Si. A Pt foil and Ag/AgCl served as a counter and a reference electrode, respectively. They covalently modified n-type and p- type Si and p-type NCD with human IgG and IgM. The ... development, and genomic and proteomic research. Enabled by rapidly emerging nanotechnologies (nanoparticles, nanotubes, and nanowires) and microfabrication techniques (MEMS, m...
Ngày tải lên: 19/06/2014, 19:20
Recent Advances in Wireless Communications and Networks Part 5 pptx
... (13) and (14) with λ = 1 M ,andthepower allocated to each subcarrier is given by (5). The maximum sum-rate point is always in the bo undary of the rate region. In the channel of Figs. 4 and 5, ... vectors r and u. Let R 0 denote the points achieved for all possible combinations of u and r R 0 = r∈S r ,u∈S u R(r, u), (10) where S r and S u are the set of all possible rates-to-subc...
Ngày tải lên: 19/06/2014, 19:20
Risk Management in Environment Production and Economy Part 5 pptx
... and eating with pleasure, such as selecting fresh and tasty foods (58%) and with enjoyment of meals with friends and family (54%); food safety (37%) was less commonly associated with food and ... In HACCP and food safety there are several standards from a variety of sources such as legislative standards, national or international standards like International Organization for S...
Ngày tải lên: 19/06/2014, 19:20
Superconductivity Theory and Applications Part 5 pptx
... period apart and is equal to the difference in the absolute values of the critical field (see Figs. 4 and 5) for each of the s amples. Here, we used B Pb c (0)=803 G and B Sn c (0)=305 G ((Handbook, ... of the input and three outputs as shown in figure 5.4. The traces 1,3,5 are the outputs and 2 is the input trace Superconductivity – Theory and Applications 98 Turner C. W....
Ngày tải lên: 19/06/2014, 21:20
Advanced Radio Frequency Identification Design and Applications Part 5 pptx
... H DH NHD λ ω π − ×= + + (3. 15) To clarify the frequency dependence, we divide the numerator and denominator of Eq. (3. 15) by λ 2 and obtain Advanced Radio Frequency Identification Design and Applications ... the small loops; and R l , the ohmic resistance of the antenna wire. X L and X C are the inductive and capacitive reactances, respectively. The exact expressions...
Ngày tải lên: 19/06/2014, 23:20
Desalination Trends and Technologies Part 5 pptx
... convenient and least expensive option for heat storage for daily and seasonal cycles (Kalogirou, 20 05). This is very important, both from operational and economic aspects, if steady and constant ... 1991 (Paton and Davies, 1996; Sablani et al., 2003). The first pilot was built and tested in the Canary Island of Tenerife in 1992, once known as the ‘Garden of the Gods’, but now...
Ngày tải lên: 20/06/2014, 01:20
Magnetic Bearings Theory and Applications Part 5 pptx
... table and the isolation table. The height, length, width and mass of the apparatus were 300 mm, 740 mm, 590 mm and 400 kg, respectively. The isolation and middle tables weighed 88 kg and 158 ... motoring torques T 1 and T 2 on the rotor and generate attractive forces F 1 and F 2 between the rotor and the stators. The total motoring torque T is the sum of these torque...
Ngày tải lên: 20/06/2014, 06:20
Communications and Networking Part 5 pptx
... 90-94. A. Pandharipande, and Chin K. Ho (2008). “Spectrum pool reassignment for wireless multihop relay systems,” 3nd International Conference on Cognitive Radio OrientedWireless Networks and Communications, ... CrownCom’2008, pp. 1-5. S. Boyd and L. Vanderberghe (2004), Convex Optimization. Cambridge, U.K.: Cambridge Univ. Press. D. P. Palomar and J. R. Fonollosa (20 05), “Prac...
Ngày tải lên: 20/06/2014, 11:20